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Hovedbrud 15
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hvis spidseste vinkel (på 30
hvis spidseste vinkel (på 30
12
grader) har cirklens radius
grader) har cirklens radius
13
som modstående og X som
som modstående og X som
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hosliggende side.
hosliggende side.
15
Da tan ( 30 ) = r / x, er
Da tan ( 30 ) = r / x, er
16
Expression 17: "X" equals StartFraction, "r" Over tan 30 , EndFraction equals 3.4 6 4 1 0 1 6 1 5 1 4
X
=
r
t
a
n
3
0
equals
=
3.4 6 4 1 0 1 6 1 5 1 4
3
.
4
6
4
1
0
1
6
1
5
1
4
17
og da hver af de mindre, ret-
og da hver af de mindre, ret-
18
vinklede trekanter har arealet
vinklede trekanter har arealet
19
X, er den store trekants areal
X, er den store trekants areal
20
Expression 21: "T" equals 6 times StartFraction, "r" Over tan 30 , EndFraction equals 20.7 8 4 6 0 9 6 9 0 8
T
=
6
·
r
t
a
n
3
0
equals
=
20.7 8 4 6 0 9 6 9 0 8
2
0
.
7
8
4
6
0
9
6
9
0
8
21
kvadratmeter.
kvadratmeter.
22
Cirkel og trekant etc.
Cirkel og trekant etc.
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left parenthesis, negative 3.4 6 4 1 , negative 2 , right parenthesis
−
3
.
4
6
4
1
,
−
2
left parenthesis, 3.4 6 4 1 , negative 2 , right parenthesis
3
.
4
6
4
1
,
−
2
X
X
left parenthesis, negative 1.7 3 2 0 5 , 1 , right parenthesis
−
1
.
7
3
2
0
5
,
1
left parenthesis, 1.7 3 2 0 5 , 1 , right parenthesis
1
.
7
3
2
0
5
,
1
left parenthesis, 0 , negative 2 , right parenthesis
0
,
−
2
left parenthesis, 0 , 4 , right parenthesis
0
,
4
left parenthesis, 0 , 0 , right parenthesis
0
,
0
30°
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
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over
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functions
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(
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<
greater than
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4
4
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5
6
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less than or equal to
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greater than or equal to
≥
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2
2
3
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negative
−
A B C
StartRoot, , EndRoot
pi
π
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0
.
.
equals
=
positive
+
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